7434673321 has 2 divisors, whose sum is σ = 7434673322. Its totient is φ = 7434673320.

The previous prime is 7434673319. The next prime is 7434673369. The reversal of 7434673321 is 1233764347.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4302704025 + 3131969296 = 65595^2 + 55964^2 .

It is an emirp because it is prime and its reverse (1233764347) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7434673321 - 2¹ = 7434673319 is a prime.

Together with 7434673319, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (7434673021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3717336660 + 3717336661.

It is an arithmetic number, because the mean of its divisors is an integer number (3717336661).

Almost surely, 2^7434673321 is an apocalyptic number.

It is an amenable number.

7434673321 is a deficient number, since it is larger than the sum of its proper divisors (1).

7434673321 is an equidigital number, since it uses as much as digits as its factorization.

7434673321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 254016, while the sum is 40.

The square root of 7434673321 is about 86224.5517297713. The cubic root of 7434673321 is about 1951.7340106113.

The spelling of 7434673321 in words is "seven billion, four hundred thirty-four million, six hundred seventy-three thousand, three hundred twenty-one".